U-BR1TE WITH POWER
JOBAID
61180020L2-22A
0307
U-BR1TE
1180020L2
STATUS
REM
AP
RX
TX
LOGIC
U-BR1TE
CLEI: SIC2XYLK_ _
DESCRIPTION
The U-BR1TE with power plugs into a single channel slot of a Total Access
®
1500
chassis. It provides an ISDN U-interface and allows the transport of Basic Rate 2B+D
information over T1 carriers. The U-BR1TE features:
■
18kft nominal range in mixed gauge wire
■
ISDN 2B1Q interface
■
Internal testing of individual B channels
■
All Layer 1 maintenance functions
■
Provides repeater powering and DDS IDSL support
INSTALLATION AND TURN-UP
Unpack the Total Access 1500 U-BR1TE access module and inspect for damage. If
damage is has ocurred, file a claim with the carrier and then contact ADTRAN.
Verify SW1 is provisioned properly for the intended application. Refer to the table
below for default provisioning and other provisioning options. Make changes to
SW1 options as necessary.
SW SETTINGS
Switch Label Function/Description
SW1-1 LULT/LUNT Termination Mode
*ON…LULT Mode (RT Typical)
OFF…LUNT Mode (COT Typical)
SW1-2 SX Sealing Current
*ON…DC sealing current provided (Adjacent to switch or customer)
OFF…DC sealing current not provided (Tandem office installation)
SW1-3 B1 Service Level Station (Enables B1 Channel)
SW1-4 B2 (Enables B2 Channel)
SW1-5 D (Enables D Channel)
Service SW1-3 SW1-4 SW1-5
Option (B1) (B2) (D)
2B+D *ON *ON *ON
2B ON ON OFF
B1+D ON OFF ON
B2+D OFF ON ON
B1 ON OFF OFF
B2 OFF ON OFF
DOFFOFFON
SW1-6 ZBS Zero Byte Substitution
ON....Enable ZBS
*OFF…Disable ZBS
SW1-7 PWR ON Enables Repeater Powering
* Factory Default
Insert U-BR1TE access module into a Total Access 1500 chassis slot 1-24. To insert,
hold the U-BR1TE access module by the front panel while supporting the bottom
edge of the module. Align the access module edge with the guide groove in the Total
Access 1500 chassis. Insert into chassis until the edge module connector seats
firmly into the chassis backplane. Lock the access module in place by pushing in on
the locking lever.
Monitor Status LED for operational status.
LED STATUS
STATUS ●● Off Indicates both loop and carrier synchronization have
been established
● Red Solid indicates neither loop nor carrier synchronization
has been established.
✷
✷
Flashing Once every two seconds indicates loop synchronization
has been established, but carrier synchronization has not.
✷✷
✷✷ Flashing Twice every second indicates carrier synchronization has
been established, but loop synchronization has not.
● Green Indicates that Layer 1 is established from the ISDN switch
to the customer ISDN terminal equipment.
● Yellow Solid when a front panel test has been initiated or when
responding to 2B+D loopback request.
✷
✷ Flashing Flashes once every two seconds when responding to a B1
loopback request.
✷✷
✷✷ Flashing Flashes twice every two seconds when responding to B2
loopback request.
REM ● Green Indicates the unit has been provisioned by the SCU.
AP PUSHBUTTON
AP Pushbutton Alternative provisioning switch. Changes provisioning
source from remote to manual.
PROVISIONING
The Total Access 1500 supports two types of provisioning modes, local and
remote. Local provisioning results in the unit operating as defined by the
onboard switches. Remote provisioning, if chosen, results in the unit operating as
defined by the system controller menu settings (onboard switches are ignored).
The operational mode is indicated by the REM LED and can be changed by
activating the AP (Alternate Provisioning) front panel switch
Connect VT100 compatible terminal to SCU front panel ADMIN port. The ADMIN
port issued for provisioning, testing, and performance monitoring functions.
■
Connect DB-9 cable
■
Run terminal emulation program
■
If using Windows HyperTerminal, open by selecting
Programs/Accessories/Hyperterminal
■
Login and navigate through ADMIN port menu structure
NOTE: To ensure proper display background, select VT100 Terminal Emulation
under settings.
■ For a complete Installation and Maintenance Practice (P/N 61180020L2-5): 877-457-5007,
Faxback Document 942. Please have your fax number ready.
■
LULTLUNT
SX
B1
B2
1
1
1
O
N
O
N
O
N
O
N
2
2
2
3
3
3
4
4
4
D
ZBS
PWR
5
5
5
6
6
6
7
7
7
1
C A U T I O N
C A U T I O N
!
SUBJECT TO ELECTROSTATIC DAMAGE
OR DECREASE IN RELIABILITY.
HANDLING PRECAUTIONS REQUIRED.
2
3
4
5
6
U-BR1TE WITH POWER
MLT3.0/ISDN CHANNEL TEST
Channel Test (LUNT Mode)
Upon detection of the Test Initiative Voltage (116 VDC behind 8kΩ applied to Tip with Ring open) the
LUNT does the following:
■
Sends a Channel Test mp-eoc message downstream to the LULT, signaling the request for a MLT
channel test
■
Notifies the SCU that an MLT test is underway
■
Sends a 333.3 Hz tone between the Tip and Ring leads. This tone is compliant with TR-TSY-00465
■
When the Test Initiative Voltage is removed, the active test status indication to the SCU is
removed, a Return to Normal mp-eoc message is sent to the LULT, and the U-Interface attempts
re-synchronization.
Channel Test (LULT Mode)
Upon receipt of the Channel Test mp-eoc message, the LULT does the following:
■
Notifies the SCU that an MLT test is underway
■
Connects the bypass pair. This connects the customer drop to the common equipment through
TEST_R and TEST_T. The setup sequence is complete.
■
Upon completion of the automatic test the bypass relay de-energizes
■
Attempts to re-synchronize the U-interface between the LULT and the NT1.
BANTAM TEST JACKS
■
Accommodate DS0 Logic Testers such as the TPI 108/109 RT II or an equivalent test set to
perform upstream and downstream testing.
COMPLIANCE
This product is intended to be installed in products providing a Type “B” or “E” enclosure, and in
a Restricted Access Location.
■
NEBS Level 3 compliant
■
Operating temperature range of –40
º
C to +65
º
C
This device complies with Part 15 of the FCC rules. Operation is subject to the following two con-
ditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by ADTRAN could void the user’s authority to
operate this equipment.
WARRANTY
ADTRAN will replace or repair this product within the warranty period if it does not meet its
published specifications or fails while in service. Warranty information can be found at
www.adtran.com/warranty. U.S. and Canada customer Faxback: 877-457-5007, Document 414
Navigate through the menus to perform the desired function.
NOTE: To traverse through the menus, select the desired entry, and press Enter. To work backward in
the menu, press Esc (escape key).
Test functions can be activated through front panel bantam jacks, the ADMIN port, or in-band
loopback sequences.
TESTING
■
Loopback tests – initiated from either the ISDN switch or the front panel via the local craft
interface in the Network-to-Customer direction
■
Point-to-point test – initiated via the local craft interface toward either the U-interface or the T1
carrier interface
■
Local Loopback – initiated from the local craft interface for either bearer channel
■
Leased Mode Testing – responds to independent network-issued OCU and CSU latching
loopback sequences for B1 and B2, when configured Adjacent-to-Customer and the D channel is
disabled
■
DS0 DP Latching Loopback sequences in B1 when D channel is off (B1, 2B)
■
EOC remapping of subsequent DS0 DP Latching Loopbacks to downstream elements
CONNECTIONS
■
All connections are made through the 50-pin amphenol connector on the Total Access 1500
backplane
SPAN POWER
The U-BR1TE span powers the IDSL OCU-R or a U-Repeater. Voltage measurements from Tip to
Ring is –120 VDC (with no termination). Tip to GND is 0. Ring to GND is –120 VDC (with no
termination) or less depending on voltmeter impedance.
DDS APPLICATION
ISDN APPLICATIONS
PRICING AND AVAILABILITY 800.827.0807
TECHNICAL SUPPORT 800.726.8663
RETURN FOR REPAIR 256.963.8722
www.adtran.com
61180020L2-22A
T-Carrier
Channel Bank
2-Wire Loop
4-Wire Customer
Interface
T/R Pair
Customer Premises
U-BR1TE
IDSL
OCU-R
DSU/CSU
7
8
Code Input Output
Power Code (PC) F, C C
Telecommunication Code (TC) X X
Installation Code (IC) A –
U-Repeater
ISDN
Switch
Customer Premises
U-BR1TE
U-BR1TE
U-BR1TE
U-BR1TE
U-BR1TE U-BR1TE
NT 1
Customer
Premises
NT 1
T1
“U”
“U”
“U” “U”
“U”
“U”
T1
T1
-
1
-
2
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